V4L2_CID_TILT_SPEED 717 drivers/media/usb/uvc/uvc_ctrl.c .id = V4L2_CID_TILT_SPEED, V4L2_CID_TILT_SPEED 996 drivers/media/v4l2-core/v4l2-ctrls.c case V4L2_CID_TILT_SPEED: return "Tilt, Speed";